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Depreciation and Amortization Expense | 3 Months Ended
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Mar. 31, 2013
Property Plant And Equipment [Abstract] |
Depreciation and Amortization Expense |
D. | Depreciation and amortization expense, including discontinued operations, was $49 million and $55 million, including accelerated depreciation, relating to business rationalization initiatives, of $4 million and $7 million, for the three months ended March 31, 2013 and 2012, respectively.

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